EP0732005B1 - Fernbedienung zur direkten eingabe mit sequentieller kanalsuchlauf - Google Patents

Fernbedienung zur direkten eingabe mit sequentieller kanalsuchlauf Download PDF

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Publication number
EP0732005B1
EP0732005B1 EP95903163A EP95903163A EP0732005B1 EP 0732005 B1 EP0732005 B1 EP 0732005B1 EP 95903163 A EP95903163 A EP 95903163A EP 95903163 A EP95903163 A EP 95903163A EP 0732005 B1 EP0732005 B1 EP 0732005B1
Authority
EP
European Patent Office
Prior art keywords
channel
scan
remote control
key
microprocessor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP95903163A
Other languages
English (en)
French (fr)
Other versions
EP0732005A1 (de
Inventor
Paul V. Darbee
Menno F. Buys
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universal Electronics Inc
Original Assignee
Universal Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universal Electronics Inc filed Critical Universal Electronics Inc
Priority to EP01200682A priority Critical patent/EP1126608B1/de
Publication of EP0732005A1 publication Critical patent/EP0732005A1/de
Application granted granted Critical
Publication of EP0732005B1 publication Critical patent/EP0732005B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0025—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor in a remote control unit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H03J1/0091—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor provided with means for scanning over a band of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/20—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver
    • H04B1/202—Circuits for coupling gramophone pick-up, recorder output, or microphone to receiver by remote control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/114—Indoor or close-range type systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/4221—Dedicated function buttons, e.g. for the control of an EPG, subtitles, aspect ratio, picture-in-picture or teletext
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4383—Accessing a communication channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/20—Binding and programming of remote control devices
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/20—Binding and programming of remote control devices
    • G08C2201/21—Programming remote control devices via third means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/30—User interface
    • G08C2201/33—Remote control using macros, scripts
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/90—Additional features
    • G08C2201/92—Universal remote control
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H2009/189—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks with a tactile symbol or indication, e.g. for blind people
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/056—Modular conception
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • H01H9/0214—Hand-held casings
    • H01H9/0235—Hand-held casings specially adapted for remote control, e.g. of audio or video apparatus
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/24—Remote control device with display showing program content
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J9/00—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification
    • H03J9/06—Remote-control of tuned circuits; Combined remote-control of tuning and other functions, e.g. brightness, amplification using electromagnetic waves other than radio waves, e.g. light

Definitions

  • the present invention relates to a remote control for a television set which is of the type that has digit keys for the direct entry of a select channel but no channel "up” or “down” keys. Also, the software/programming of the remote control of the present invention be used in a remote control which has a channel “up” or “down” to “automate” the process of scanning channels thereby reducing the number of button/key presses required from the user.
  • remote controls both dedicated and universal have been proposed for operating televisions, VCR and other consumer electronic equipment.
  • remote controls are provided with a keypad or keyboard with digit keys thereon and some with alphabet keys thereon.
  • the remote control of the present invention has circuitry and executable programs which, upon detection of a special "SCAN" command such as by the depression of a certain key, e.g., a "SCAN" key, on the keypad automatically starts a step-through-channels operation pausing briefly at each channel and continuing without requiring any further input, e.g., the pressing of a key, by the user until commanded by the user to stop scanning, such as by the user depressing a key or taking other action.
  • Document FR-A-2 639 499 (Bellot) shows a remote control having a "SCAN" key for issuing a "SCAN" command.
  • FIG. 1 in greater detail, there is illustrated therein a remote control 10 constructed according to the teachings of the present invention.
  • the remote control 10 includes a housing 11 including an upper housing member 12, and a lower housing member 14.
  • An overlay face panel 18 is positioned on the upper housing member 12 and has a keyboard layout, i.e. keypad, 20 on the outer surface thereof.
  • the panel 18 has openings therethrough for receiving elastomeric pushbuttons 25, for the keypad 20, all of which extend from and are fixed to or integral with an elastomeric body panel.
  • the pushbuttons or keys 25 are arranged in rows and columns and are identified as follows on the keypad 20: VCR AUX TV CBL A B C PWR 1 2 3 VOL 4 5 6 VOL 7 8 9 SCAN 0 CH CH REW PLAY FF PAUSE S R
  • FIG. 2 is a side view of the remote control 10.
  • the infra-red light emitting diode LED 1 is held securely in place in the window 30 and is adapted to be aimed at a home entertainment device to be controlled.
  • the diode LED 1 is generally in alignment with diode LED 2 and is coupled to an electrical circuit 36 (FIG. 3) of the remote control 10.
  • the light-emitting diode LED 2 is generally centrally located for indicating when an individual key 25 is pressed on the remote control 10.
  • the diode LED 2 a visible indicator that the remote control 10 is working. If the diode LED 2 does not light when a key 25 is pressed, the batteries may need to be replaced.
  • FIG's. 4a and 4b are a block electrical schematic circuit diagram of the electrical operating circuit 36 which is mounted in the remote control 10 and which includes a microprocessor 38, including a RAM, a ROM and a CPU.
  • the keypad 20 is coupled to the microprocessor 38 by an interrupt line 46, a plurality of switch contact lines 47 and a bus 48 to the CPU.
  • the keypad 20 has input switch cross-points 49 which are located beneath the keys 25 and which are coupled to the CPU for remotely controlling a home entertainment device.
  • each cross point 49 has a unique pair of input ports to the CPU, to determine which key(s) were pressed to execute a function associated with such key(s).
  • a power supply in the form of a battery is connected between a + voltage input 51 to the microprocessor 38 and a system ground 52.
  • a backup battery 53 is connected from ground 52 through the input 51 and an isolation diode D1 to a VDD input of the CPU to maintain the data stored in the ROM and/or RAM thereby to provide a non-volatile system.
  • a reset circuit 55 Coupled to a reset input RST of the CPU is a reset circuit 55 including a voltage divider 56 for causing the CPU to reset and re-initialize itself when battery power is applied.
  • Capacitors C1 and C2 provide power supply filtering for the power line.
  • An oscillator circuit 57 provides a clock frequency for the CPU.
  • the circuit 36 includes pull up resistors R1-R5, to keep the input ports and the IRQ line to the CPU at a known state when the keys 25 are not depressed.
  • the circuit 36 further includes isolation diodes D2-D5, providing an "or" logic function circuit 58 for isolating each line from the other while not inhibiting communication to the IRQ input of the CPU.
  • Each diode D2-D5 prevents action in one line from spurious indicating action on another line, while still permitting each line individually to send a signal to the IRQ input of the CPU.
  • the CPU includes an output PB5 to the light emitting diode LED 2 to indicate when a key 25 has been pushed and the circuit 36 is sending an infra-red signal through infra-red light emitting diode LED 1.
  • the CPU also includes an output PA7 to a transistor 60 of an IR lamp driver circuit 62 which outputs a voltage to the light emitting diodes LED 1 and LED 2 for allowing a signal to flow through the transistor 60, and activate the infra-red light emitting diode LED 1 for controlling an home entertainment device.
  • the remote control 10 is provide with the SCAN key 28 (FIG. 1) by which the channel scan function of the present invention be initiated.
  • the electrical circuit 36 is generally of the type disclosed in greater detail in the Darbee et al U.S. Patent No. 4,959,810, of which this application is a continuation-in-part and the disclosure of which is incorporated herein by reference.
  • the operating program for the remote control 10 which is stored in the ROM or RAM is very similar to the operating program disclosed in the Darbee et al U.S. Patent No. 4,959,810 which is incorporated herein by reference.
  • FIG. 5 there is illustrated therein a flow chart of the steps performed by one embodiment of the channel scan software/program of the present invention which is incorporated into a remote control 10 which already has channel "UP” and channel “DOWN” keys supporting a channel up and channel down function and which has incorporated therein the SCAN key 28 which be operated by the user of the remote control 10 for effecting an automatic channel scan according to the teachings of the present invention.
  • the SCAN key 28 is pressed which causes the remote control 10 to transmit "channel up" IR code.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Electromagnetism (AREA)
  • Selective Calling Equipment (AREA)
  • Details Of Television Systems (AREA)

Claims (5)

  1. Eine Fembedienung zum Auswählen eines Kanals bei einer gesteuerten Heimunterhaltungsvorrichtung, umfassend:
    einen Mikroprozessor, der eine CPU und Speichermittel enthält;
    ein Tastenfeld, das Tasten zum Bedienen der Fernbedienung enthält und mit dem Mikroprozessor verbunden ist;
    Lampenantriebsschaltungen, die mit dem Mikroprozessor verbunden sind; Mittel zum Erzeugen von IR-Signalen, die den Mikroprozessor einschließen und mit den Lampenantriebsschaltungen verbunden sind;
    in den Speichermitteln gespeicherte Codedaten zum Ausführen von Befehlsfunktionen zum Betrieb der Heimunterhaltungsvorrichtung;
    wobei die Tasten eine SUCHLAUF-Taste enthalten;
    Schaltungsmittel zum Verbinden der SUCHLAUF-Taste mit dem Mikroprozessor, und ein Kanalsuchlaufprogramm, das in den Speichermitteln gespeichert ist, zum Bewirken eines Kanalsuchlaufs mehrerer Kanäle, wenn die SUCHLAUF-Taste gedrückt wird,
    dadurch gekennzeichnet, daß Mittel vorgesehen sind, die so angelegt sind, daß der Kanalsuchlauf bei dem Kanal beginnt, der zu dem Zeitpunkt, an welchem die SUCHLAUF-Taste gedrückt wird, gerade angesehen wird, und daß der Mikroprozessor und das Kanalsuchlaufprogramm Schaltungsmittel und Programmanweisungen zur Ausführung auf das Drücken der SUCHLAUF-Taste hin enthalten, wobei die Programminstruktionen folgendes enthalten:
    Übertragen eines "Kanal auf" - oder eines "Kanal ab" - Codes;
    Bestimmen, ob eine vorbestimmte Zeitspanne verstrichen ist, nachdem der zuvor übertragene Code gesendet worden ist;
    falls ja, bilden einer Schleife zurück zur Programmanweisung des Übertragens eines "Kanal auf " - oder "Kanal ab" - Codes; und falls nein, bilden einer Schleife zurück zur Programmanweisung des Bestimmens, ob eine vorbestimmte Zeitspanne verstrichen ist, nachdem der zuvor übertragene Code gesendet worden ist, falls ja, Verlassen der Programminstruktionen.
  2. Eine Fernbedienung wie in Anspruch 1 beansprucht, bei welcher die Zeitspanne drei Sekunden beträgt.
  3. Eine Fernbedienung wie in Anspruch 1 oder Anspruch 2 beansprucht, bei welcher das Tastenfeld "Kanal auf " - oder "Kanal ab" - Tasten enthält.
  4. Ein Verfahren zur Durchführung eines Kanalsuchlaufs durch eine Fernbedienung mit einer SUCHLAUF-Taste und Schaltungsmitteln zum Verbinden der SUCHLAUF-Taste mit einem Mikroprozessor, welcher einen Speicher enthält, wobei ein Kananlsuchlaufprogramm in dem Speicher gespeichert ist, und das Verfahren folgendes umfaßt:
    auf das Drücken der SUCHLAUF-Taste hin automatisches Bewirken eines Kanalsuchlaufs mehrerer Kanäle,
    dadurch gekennzeichnet, daß das Verfahren weiter enthält:
    Beginnen des Kanalsuchlaufs vom aktuellen Kanal, der gerade angesehen wird;
    Übertragen eines "Kanal auf " - oder eines "Kanal ab" - Codes;
    Bestimmen, ob eine vorbestimmte Zeitspanne verstrichen ist, nachdem der zuvor übertragene Code gesendet worden ist;
    wenn ja, Bilden einer Schleife zurück zu der Programmanweisung des Übertragens eines "Kanal auf" - oder eines "Kanal ab" - Codes; und Bestimmen, ob irgendeine Taste gedrückt ist, die eine Kanalauswahl durch den Benutzer anzeigt;
    wenn nein, Bilden einer Schleife zurück zu der Programmanweisung des Bestimmens, ob eine vorbestimmte Zeitspanne verstrichen ist, nachdem der zuvor übertragene Code gesendet worden ist; wenn ja, Verlassen der Programminstruktionen.
  5. Ein Verfahren wie in Anspruch 4 beansprucht, bei welchem die Zeitspanne drei Sekunden beträgt.
EP95903163A 1993-11-29 1994-11-28 Fernbedienung zur direkten eingabe mit sequentieller kanalsuchlauf Expired - Lifetime EP0732005B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01200682A EP1126608B1 (de) 1993-11-29 1994-11-28 Fernbedienung zur direkten Eingabe mit sequentiellem Kanalsuchlauf

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/158,600 US5481256A (en) 1987-10-14 1993-11-29 Direct entry remote control with channel scan
US158600 1993-11-29
PCT/US1994/013629 WO1995015027A1 (en) 1993-11-29 1994-11-28 Direct entry remote control with channel scan

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP01200682A Division EP1126608B1 (de) 1993-11-29 1994-11-28 Fernbedienung zur direkten Eingabe mit sequentiellem Kanalsuchlauf

Publications (2)

Publication Number Publication Date
EP0732005A1 EP0732005A1 (de) 1996-09-18
EP0732005B1 true EP0732005B1 (de) 2002-03-27

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP95903163A Expired - Lifetime EP0732005B1 (de) 1993-11-29 1994-11-28 Fernbedienung zur direkten eingabe mit sequentieller kanalsuchlauf
EP01200682A Expired - Lifetime EP1126608B1 (de) 1993-11-29 1994-11-28 Fernbedienung zur direkten Eingabe mit sequentiellem Kanalsuchlauf

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP01200682A Expired - Lifetime EP1126608B1 (de) 1993-11-29 1994-11-28 Fernbedienung zur direkten Eingabe mit sequentiellem Kanalsuchlauf

Country Status (5)

Country Link
US (1) US5481256A (de)
EP (2) EP0732005B1 (de)
AU (1) AU1213295A (de)
DE (2) DE69435129D1 (de)
WO (1) WO1995015027A1 (de)

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EP1126608A2 (de) 2001-08-22
WO1995015027A1 (en) 1995-06-01
EP1126608B1 (de) 2008-08-20
DE69430256D1 (de) 2002-05-02
DE69435129D1 (de) 2008-10-02
US5481256A (en) 1996-01-02
EP0732005A1 (de) 1996-09-18
AU1213295A (en) 1995-06-13
EP1126608A3 (de) 2003-05-07
DE69430256T2 (de) 2002-12-12

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